Catalyst for production of isobutene through dehydrogenation of isobutane and application thereof
A technology for producing isobutylene and catalysts, which is applied in the direction of catalysts, carbon compound catalysts, metal/metal oxides/metal hydroxide catalysts, etc., can solve the problems of catalyst activity reduction and achieve good technical effects
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Embodiment 1
[0031] Weigh 39.97g of beryllium chloride, 110.59g of indium chloride, 49.05g of lanthanum chloride and 240.01g of soluble salt of aluminum chloride and dissolve them in 1L of deionized water, mix well, and slowly drip ammonia water under continuous stirring, Adjust the pH value to 8.5, age the product for 2 hours, filter and wash with 4L of water to obtain a filter cake, dry the filter cake at 90°C for 16 hours, and roast it in a muffle furnace at 580°C for 20 hours to obtain Be 0.5 In 0.5 La 0.2 Al 1.8 o x carrier. Weigh 9.86g of carrier and put it into a beaker, then weigh 0.190g of stannous chloride and dissolve it in 10mL of hydrochloric acid solution, add the above-mentioned carrier under stirring, mix well, soak at 30°C for 12 hours, and then dry at 90°C for 16 hours Obtain catalyst precursor, denoted as I. Weigh 0.106g of chloroplatinic acid and dissolve it in 10mL of water, add it into I while stirring, mix evenly, soak at 30°C for 12 hours, dry at 90°C for 16 ho...
Embodiment 2
[0033]Weigh 128.2g of magnesium nitrate, 190.96g of indium nitrate, 64.98g of lanthanum nitrate and 675.23g of soluble salt of aluminum nitrate, dissolve them in 1L of deionized water, mix well, and slowly add ammonia water under continuous stirring to adjust the pH value 8.5, aged the product for 2 hours, filtered and washed with 4L of water to obtain a filter cake, dried the filter cake at 90°C for 16 hours, and roasted it in a muffle furnace at 580°C for 20 hours to obtain Mg 0.5 In 0.5 La 0.2 Al 1.8 o x carrier. Weigh 9.86g of carrier and put it into a beaker, then weigh 0.190g of stannous chloride and dissolve it in 10mL of hydrochloric acid solution, add the above-mentioned carrier under stirring, mix well, soak at 30°C for 12 hours, and then dry at 90°C for 16 hours Obtain catalyst precursor, denoted as I. Weigh 0.106g of chloroplatinic acid and dissolve it in 10mL of water, add it into I while stirring, mix evenly, soak at 30°C for 12 hours, dry at 90°C for 16 hou...
Embodiment 3
[0035] Weigh 88.09g of calcium acetate, 194.97g of indium acetate, 63.21g of lanthanum acetate and 291.75g of basic aluminum acetate soluble salt, dissolve them in 1L of deionized water, mix well, and slowly add ammonia water dropwise under continuous stirring to adjust the pH The value is 8.5, the product is aged for 2 hours, filtered and washed with 4L of water to obtain a filter cake, dried at 90°C for 16 hours, and then roasted in a muffle furnace at 580°C for 20 hours to obtain Ca 0.5 In 0.5 La 0.2 Al 1.8 o x carrier. Weigh 9.86g of carrier and put it into a beaker, then weigh 0.190g of stannous chloride and dissolve it in 10mL of hydrochloric acid solution, add the above-mentioned carrier under stirring, mix well, soak at 30°C for 12 hours, and then dry at 90°C for 16 hours Obtain catalyst precursor, denoted as I. Weigh 0.106g of chloroplatinic acid and dissolve it in 10mL of water, add it into I while stirring, mix evenly, soak at 30°C for 12 hours, dry at 90°C f...
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